 The Cass County Sheriff's Office is investigating an assault that resulted in the death of a Cass Lake man. It happened just last Thursday just before midnight. The Cass County Sheriff's Office received a report of a serious assault victim who was brought to the Cass Lake Indian Services Hospital. The 25 year old victim was pronounced dead at a short time after the Sheriff's Office and Leech Lake Tribal Police immediately began investigating. Search warrants were executed at two homes in Pike Bay Township in rural Cass Lake. An autopsy is scheduled with the Ramsey County Medical Examiner's Office. The incident remains under investigation.